[INFO] fetching crate lb 0.4.1...
[INFO] checking lb-0.4.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate lb 0.4.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate lb 0.4.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lb 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lb 0.4.1
[INFO] tweaked toml for crates.io crate lb 0.4.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate lb 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termion v2.0.1
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded exr v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3d026347762dea5287f2e627b886d89cf99980bf5b0cf45d921ecca57e14711
[INFO] running `Command { std: "docker" "start" "-a" "c3d026347762dea5287f2e627b886d89cf99980bf5b0cf45d921ecca57e14711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3d026347762dea5287f2e627b886d89cf99980bf5b0cf45d921ecca57e14711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d026347762dea5287f2e627b886d89cf99980bf5b0cf45d921ecca57e14711", kill_on_drop: false }`
[INFO] [stdout] c3d026347762dea5287f2e627b886d89cf99980bf5b0cf45d921ecca57e14711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03dafc6fb97adabe3c62d076b56cc8d6d80b3b0cf6452243318018b101038a31
[INFO] running `Command { std: "docker" "start" "-a" "03dafc6fb97adabe3c62d076b56cc8d6d80b3b0cf6452243318018b101038a31", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking lb v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking png v0.17.9
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.7.0
[INFO] [stderr]     Checking image v0.24.6
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.07s
[INFO] running `Command { std: "docker" "inspect" "03dafc6fb97adabe3c62d076b56cc8d6d80b3b0cf6452243318018b101038a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03dafc6fb97adabe3c62d076b56cc8d6d80b3b0cf6452243318018b101038a31", kill_on_drop: false }`
[INFO] [stdout] 03dafc6fb97adabe3c62d076b56cc8d6d80b3b0cf6452243318018b101038a31
[INFO] checking lb-0.4.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate lb 0.4.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate lb 0.4.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lb 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lb 0.4.1
[INFO] tweaked toml for crates.io crate lb 0.4.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate lb 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 919d5ae2ba4a01747e75b6ed75905ec154b4c96b90f29dabaf3f1cf303304bb4
[INFO] running `Command { std: "docker" "start" "-a" "919d5ae2ba4a01747e75b6ed75905ec154b4c96b90f29dabaf3f1cf303304bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "919d5ae2ba4a01747e75b6ed75905ec154b4c96b90f29dabaf3f1cf303304bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "919d5ae2ba4a01747e75b6ed75905ec154b4c96b90f29dabaf3f1cf303304bb4", kill_on_drop: false }`
[INFO] [stdout] 919d5ae2ba4a01747e75b6ed75905ec154b4c96b90f29dabaf3f1cf303304bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 427082eb89d393d6a8ab9bdbb50a51993c1a6b631fac08fd1bc73a39d6ad365d
[INFO] running `Command { std: "docker" "start" "-a" "427082eb89d393d6a8ab9bdbb50a51993c1a6b631fac08fd1bc73a39d6ad365d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking crossbeam-utils v0.8.16
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking lb v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.16/src/sync/parker.rs:371:25
[INFO] [stdout]     |
[INFO] [stdout] 371 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 372 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 373 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 374 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.1/src/inflate/core.rs:1154:9
[INFO] [stdout]      |
[INFO] [stdout] 1154 | /         match state {
[INFO] [stdout] 1155 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1156 | |                 l.bit_buf = 0;
[INFO] [stdout] 1157 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1699 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1700 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "427082eb89d393d6a8ab9bdbb50a51993c1a6b631fac08fd1bc73a39d6ad365d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "427082eb89d393d6a8ab9bdbb50a51993c1a6b631fac08fd1bc73a39d6ad365d", kill_on_drop: false }`
[INFO] [stdout] 427082eb89d393d6a8ab9bdbb50a51993c1a6b631fac08fd1bc73a39d6ad365d